#===============================================================================
# Copyright 2011 Jake Ross
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#===============================================================================



#'''
#RossLabs 2009
#Ross  Jake Ross   jirhiker@gmail.com
#
#Oct 22, 2009
#'''
#
##=============enthought library imports=======================
#
##=============standard library imports ========================
from uncertainties import ufloat
#
##=============local library imports  ==========================


#lambda_epsilon = ufloat((5.81e-11,
#                                    1.7e-12))
#lambda_beta = ufloat((4.962e-10,
#                                 8.6e-12))
lambda_epsilon = ufloat((5.81e-11,
                                    0))
lambda_beta = ufloat((4.962e-10,
                                 0))
lambdak = lambda_epsilon + lambda_beta

lambda_37 = ufloat((0.01975, 0)) #per day
lambda_39 = ufloat((7.068000e-6, 0))  #per day
lambda_cl36 = ufloat((6.308000e-9, 0))  #per day

#atmospheric ratios
#atm4036 = ufloat((295.5, 0.5))
#atm4038 = ufloat((1575, 2))
atm4036 = ufloat((295.5, 0.5))
atm4038 = ufloat((1575, 2))
atm3638 = atm4038 / atm4036
atm3836 = atm4036 / atm4038


###decay constants
#lambda_epsilon = 5.81e-11
#lambda_epsilon_er = 1.7e-12
##                                    1.7e-12))
#lambda_beta = 4.962e-10
#lambda_beta_er = 8.6e-12
#lambdak = lambda_epsilon + lambda_beta
#
#
#lambda_37 = 0.01975 #per day
#lambda_39 = 7.068000e-6  #per day
#
#lambda_cl36 = 6.308000e-9  #per day
###atmospheric ratios
#atm4036 = 295.5
#atm4036_er = 0.5
#atm4038 = 1575
#atm4038_er = 2
##atm3638 = atm4038 / atm4036
##atm3836 = atm4038 / atm4036
#atm3836 = atm4036 / atm4038
